InterviewSolution
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InterviewSolution
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Which is true about an electron-(a). rest mass of electron is `9.1xx10^(-28)g`(b). mass of electron increases with the increase in velocity(c). molar mass of electron is `5.48xx10^(-4)g//"mole"`(d). `e//m` of electron is `1.7xx10^(8) "coulomb"//g`A. Rest mass of electron is `9.1xx10^(-28) g`B. Mass of electron increases with the increase in velocityC. Molar mass of electron is `5.48xx10^(-4) g//mole`D. `e//m` of electron is `1.7xx10^(8) coulomb//g` |
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Answer» Correct Answer - A, B, C, D `m_(e)=9.1xx10^(-31)kg=9.1xx10^(-28) g` `m=m_(0)/sqrt(1-v^(2)/c^(2)) (m_(0): "rest mass , m : dynamic mass")` `As vuarr, (1-v^(2)/c^(2))darr :. m uarr` Molar mass of `e=9.1xx10^(-28)xx6.023xx10^(23)=5.48xx10^(-4) g//`mole |
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